move in phrasal verb ( see also ↑ move )
1 . ( also move into something ) to start living in a new home OPP move out :
When are you moving in?
Mom and Dad had always planned to move into a smaller house when we grew up.
2 . to start living with someone in the same home
move in with
Steve’s going to move in with her.
3 . to start being involved in and controlling a situation that someone else controlled previously:
The big multinationals moved in and started pushing up prices.
move in on
Investors moved in on a group of car enthusiasts and took over the market.
4 . to go towards a place or group of people, in order to attack them or take control of them
move in on
Police moved in on the demonstrators in the square.